Chapter 2. Understanding Functions and Operating Various ICT Devices

Answere the Question Evaliation Chapter 2 page 77-79.
A. Multiple Choice

1. A
2. C
3. B
4. B
5. E
6. E
7. C
8. B
9. B
10.C


B. Essay

1. In ASCII code, by what code is letter W represented?
2. Name and explain all supporting devices inside a CPU.
3. What is the abbreviation and the function of ROM.
4. Name three examples of network interface cards.
5. Name Several cables that use on a wired network.

 Answere

1. The letter W is represented by the number code 87.
2. a. Control unit is to translate commands or instructions in a series and then
        continues them to the entire computer parts.
    b. Arithmetic Logic Unit (ALU) is to process data by adding, substracing,
        comparing and logical formulas.
    c. Memory is to collect or to store data to run an application program.
3. ROM (Read Only Memory )
    Functions ROM is to save computer operation programs, such as BIOS and
    booting.
4. Ethernet, arcnet and token ring.
5. a. Thin Ethernet (Thinnet) has an advantage in terms of the relatively cheaper
       cost compared to othertypes of cabling and the anstallation of components
       easier.
    b. Thick Ethernet (thicknet) with thick ethernet or thicket number of computer
        that can be connected in a network will be more and the distance between
        the computers can be enlarged.
    c. Twisted Pair Ethernet, devided into 2 types of shielded and unshielded
    d. Fiber Optic, Fiber optic network using (FOR) are usually large companies,
        due to price and installation process more difficult